Engineering Board Exam Reviewer · Engineering Mechanics · hard
A projectile is launched with an initial speed of 20 m/s at an angle of 25° above the horizontal. Neglecting air resistance, what is its horizontal range? (g = 9.81 m/s2)
- 17.23
- 1.56
- 62.47
- 31.24
Answer
D. 31.24
Solution
Range R = (v02 (2 )) / g = (202 × (50°)) / 9.81 = 31.24 m.
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